Reagents, C

Chromatography Reagents, Reagents, C

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Reagents, C Chromatography Reagents

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  • Silica Gel, 30-200 Mesh, Indicating, Grade 13

    GFS Chemicals

    SiO2 CAS#: 7631-86-9 F.W.: 60.09 For dehydration where fine particle size and moisture indication is required. 5% blue indicating gel.

  • Single-Component Explosives Solutions

    Restek

    These materials support nitroaromatic, nitramine, and nitroester analyses by GC-ECD (Method 8095). 1 , 2 Compounds listed are explosives, manufacturing intermediates, or degradation products. Method 8095 mixtures contain the components at concentration ratios appropriate for ECD. Supports…

  • o-Terphenyl solution, certified reference material, 10000 µg/mL in…

    MilliporeSigma

    This Certified Reference Material (CRM) is produced and certified in accordance with ISO Guide 34:2009 and ISO/IEC 17025:2005. All information regarding the use of this CRM can be found on the certificate of analysis. Synonym: 1,2-Diphenylbenzene CAS Number: 84-15-1 grade: TraceCERT®

  • Caffeine

    Restek

    Compound List Caffeine (58-08-2)

  • MP EcoChrom™ Alumina A, Activity: I, 63-200µm

    MP Biomedicals

    MP EcoChrom™ Alumina B, Activity I are good "all-round" adsorbents for laboratory use as well as for industrial use. They can be adjusted to lower activity by the addition of polar media, preferably water, but also higher alcohols, e.g. glycol or glycerol can be used. An oxide of…

  • LC Multiresidue Pesticide Kit

    Restek

    Accurately detect and quantify pesticides of global food safety concern in a wide range of fruits, vegetables, and other commodities by LC-MS/MS. Full kit contains 204 compounds of interest, covering many LC-determined pesticides listed by government agencies; individual ampuls also sold…

  • BSTFA + 1% TMCS Silylation Reagent

    Thermo Scientific

    Use Thermo Scientific™ BSTFA + 1% TMCS Silylation Reagent for analytes that are difficult to silylate. Stronger than BSTFA alone, this catalyzed formulation is ideal for derivatizing compounds such as fatty acid amides and slightly hindered hydroxyls for GC analysis. Excellent for…

  • Triolein (1,2,3-tri[cis-octadecenoyl]glycerol)

    Restek

    Compound List Triolein (1,2,3-tri[cis-octadecenoyl]glycerol) (122-32-7)

  • Organophosphorus Pesticide Mix #1 (Rev), Method 525.2 (7 components)

    Restek

    Compound List Chlorpyrifos (2921-88-2) Dichlorvos (DDVP) (62-73-7) Disulfoton sulfone (2497-06-5) Ethoprop (ethoprophos) (13194-48-4) Methyl paraoxon (Parathion methyl-O-analog) (950-35-6) Mevinphos (7786-34-7) Stirofos (tetrachlorvinphos) (961-11-5)

  • Sylon CT™

    MilliporeSigma

    Sylon CT™ was used as derivatizing agent, during an experiment to develop sensitive GC method for the identification and determination of long-chain primary alkyl amines. It was also used for treating Erlenmeyer flasks to prevent mycelium from sticking to the glassware during development…

  • TMSI (N-Trimethylsilylimidazole)

    Thermo Scientific

    TMSI (N-Trimethylsilylimidazole) is the strongest silylator available for carbohydrates and steroids. Reacts quickly and smoothly with hydroxyls and carboxylic acids but not with amines Especially useful in multiderivatization schemes for compounds containing both hydroxyl and amine groups …

  • Florisil®, 60-100 Mesh

    GFS Chemicals

    Suitable as adsorbent in gas chromatography. Magnesium Silicate Activated at 650°C.

  • Molecular Sieve, 5A 8-12 Mesh Beads

    GFS Chemicals

    CAS#: 1344-02-1

  • GC Multiresidue Pesticide Standard #9 (8 components)

    Restek

    Accurately identify and quantify pesticide residues by GC-MS/MS in fruits, vegetables, botanicals, and herbals such as tea, ginseng, ginger, echinacea, and dietary supplements. Formulated and grouped for maximum long-term stability*. Quantitatively tested to confirm composition; detailed…

  • DHA PONA Standard (188 components)

    Restek

    Compound List Compound, Conc (wt/wt%) Paraffins N-Butane, 2.086% N-Decane, 0.966% N-Dodecane, 0.943% N-Heptane, 2.479% N-Hexane, 3.882% N-Nonane, 1.048% N-Octane, 1.403% N-Pentadecane, 0.947% N-Pentane, 4.093% Propane, 0.251% N-Tetradecane, 0.947% N-Tridecane, 0.941% N-Undecane, 0.941% Isoparaffins…

  • 8270/Appendix IX Kit

    Restek

    Compound List 31850: 8270 MegaMix Standard Acenaphthene (83-32-9) Acenaphthylene (208-96-8) Aniline (62-53-3) Anthracene (120-12-7) Azobenzene (103-33-3)* Benz(a)anthracene (56-55-3) Benzo(a)pyrene (50-32-8) Benzo(b)fluoranthene (205-99-2) Benzo(ghi)perylene (191-24-2) Benzo(k)fluoranthene…

  • 8270/Appendix IX Calibration Kit (2,000 µg/mL)

    Restek

    Compound List 31618: 8270 Calibration Mix #1 Benzoic acid (65-85-0) 4-Chloro-3-methylphenol (59-50-7) 2-Chlorophenol (95-57-8) 2,4-Dichlorophenol (120-83-2) 2,6-Dichlorophenol (87-65-0) 2,4-Dimethylphenol (105-67-9) 4,6-Dinitro-2-methylphenol (Dinitro-o-cresol) (534-52-1) 2,4-Dinitrophenol…

  • MP EcoChrom™ Alumina B, Activity: I

    MP Biomedicals

    MP EcoChrom™ Alumina B, Activity I are a good "all-round" adsorbents for laboratory use as well as for industrial use. They can be adjusted to lower activity by the addition of polar media, preferably water, but also higher alcohols, e.g. glycol or glycerol can be used. An oxide of…

  • MTBSTFA and MTBSTFA+1% TBDMCS

    Thermo Scientific

    MTBSTFA and MTBSTFA+1% TBDMCS offer stable TBDMS (tert-butyldimethylsilyl) derivatization. Derivatizes hydroxyl, carboxyl, thiol and primary and secondary amines Typical yields are >96% Provides TBDMS ethers that are 104 times more stable to hydrolysis than TMS ethers Reaction byproducts…

  • LC Multiresidue Pesticide Standard #4 (63 components)

    Restek

    Accurately detect and quantify pesticides of global food safety concern in a wide range of fruits, vegetables, and other commodities by LC-MS/MS. Formulated and grouped for maximum long-term stability* and well-balanced chromatographic performance. Quantitatively tested to confirm…

  • Silica gel 60, 0.032-0.063mm; 230-450 mesh

    BeanTown Chemical

    CAS: 63231-67-4 RTECS: VV7565000 Powder Melting Point: >1600° Boiling Point: 2230°

  • ASTM D3606 Quality Control Standard with sec-Butanol Internal Standard (3…

    Restek

    Compound List Benzene (71-43-2), 0.6432% vol/vol 2-Butanol (sec-butyl alcohol) (78-92-2), 4% vol/vol Toluene (108-88-3), 4.8% vol/vol

  • Free Fatty Acids Test Standard (6 components)

    Restek

    Compound List (C4:0) Butyric acid (107-92-6) Acetic acid (64-19-7) Isobutyric acid (79-31-2) Isovaleric acid (503-74-2) Propionic acid (79-09-4) Valeric acid (109-52-4)

  • LC OQ Linearity Test Mix Kit

    Restek

    Caffeine at 5, 25, 125, 250, 500 µg/mL in water in a five-ampul kit. Simple check of a detector’s ability to produce a linear response to varied concentrations. Suitable for clear indication of linear range. Compound List 31804: Caffeine (74051-80-2) caffeine at 5µg/mL in…

  • Dimethyl Sulfoxide For Gas Chromatography

    MilliporeSigma

    Formula: (CH3)2SO CAS No.: 67-68-5 Solubility: 1000 g/l (20°C) Melting Point: 18.4°C Molar Mass: 78.1 g/mol Boiling Point: 189°C (1013 hPa) Vapor Pressure: 0.6 hPa (20°C) Flash Point: 87°C Refractive Index: 1.48 (20°C) Explosion Limit: 1.8 - 63.0 %(V) Density: …

  • Isocyanates Singles

    Restek

    ASTM D5836 and OSHA 42 are test methods for determining 2,4-toluene diisocyanate (2,4-TDI) and 2,6-TDI in the workplace atmosphere. OSHA 47 is for 4,4'-methylenediphenyl isocyanate (4,4'-MDI) in indoor air, and NIOSH Method 5522 is for 2,4-TDI; 2,6-TDI; 4,4'-MDI; and 1,6-hexamethylene…

  • Polywax Standards

    Restek

    Supports ASTM Methods D2887, D6352, D7169, D7398, and D7500. These high molecular weight hydrocarbon waxes are useful for simulated distillation and other high-temperature GC work.

  • Silica gel 60, 0.060-0.2mm; 70-230 mesh

    BeanTown Chemical

    CAS: 63231-67-4 EC No: 231-545-4 MDL No: MFCD00011232 RTECS: VV7565000 Powder Melting Point: >1600° Boiling Point: 2230°

  • Ethanol

    Restek

    Compound List Ethanol (64-17-5)

  • EPA Method 8061A Phthalate Esters Mixture (15 components)

    Restek

    Compound List Benzyl butyl phthalate (85-68-7) Bis(2-n-butoxyethyl)phthalate (117-83-9) Bis(2-ethoxyethyl)phthalate (605-54-9) Bis(2-ethylhexyl)phthalate (117-81-7) Bis(2-methoxyethyl)phthalate (117-82-8) Bis(4-methyl-2-pentyl)phthalate (84-63-9) Di-n-butylphthalate (84-74-2) Diethylphthalate…

  • Cal Kit SMO 1000–25000

    Restek

    Compound List Blank 1000 w/w ppm total sulfur from di-n-butylsulfide in mineral oil 2500 w/w ppm total sulfur from di-n-butylsulfide in mineral oil 5000 w/w ppm total sulfur from di-n-butylsulfide in mineral oil 1.00% total sulfur by weight from di-n-butylsulfide in mineral oil 1.50% total sulfur…

  • Molecular Sieve, 3A 8-12 Mesh Beads

    GFS Chemicals

    CAS#: 12736-96-8

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